Koleski Reservoir Number 1 & Thorncreek Trail via Big Dry Creek Trail

3.4 mi · ▲ 165 ft · 1 hr 13 min

Koleski Reservoir Number 1 & Thorncreek Trail via Big Dry Creek Trail is a 3.4-mile out-and-back near Eastlake, CO. The route reaches Koleski Reservoir Number 1 at the turnaround, 1.6 miles in. It is mostly level, with 165 ft of elevation gain, and mostly paved. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi5,154 – 5,296 ft3.9 mi

Getting there

Trailhead: Thorncreek Trail 39.93016, -104.98441
Nearest town Eastlake, CO

Directions

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Koleski Reservoir Number 1 & Thorncreek Trail via Big Dry Creek Trail

3.4 mi · ▲ 165 ft · 1 hr 13 min

Elevation 5,155–5,297 ft

Out & Back

Trailhead: Thorncreek Trail · 39.93016, -104.98441

Weather Sep 4: sunrise 6:32 AM · sunset 7:28 PM

Transit-accessible: stop 673 m from the trailhead · Parking lot at the trailhead

  1. Start on Thorncreek Trail, heading N.
  2. 0.5 miContinue straight onto Big Dry Creek Trail, heading N.
  3. 0.2 miBear left onto I-25 Trail, heading S.
  4. 0.8 miBear left, heading SW.
  5. 0.1 miPass Koleski Reservoir Number 1.
  6. 0.1 miBear left, heading S.
  7. 250 ftBear right, heading SE.
  8. 150 ftReach Koleski Reservoir Number 1, then turn around and head back the way you came.
  9. 100 ftBear left, heading S.
  10. 250 ftBear right, heading SE.
  11. 0.2 miBear right, heading N.
  12. 0.8 miBear right onto Big Dry Creek Trail, heading N.
  13. 0.2 miContinue straight onto Thorncreek Trail, heading NW.
  14. 0.3 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

93% paved2% gravel5% unspecified

Weather

Sunrise 6:32 AMSunset 7:28 PM

Sunset

The best sunset spot on this hike is 1.3 mi in (~32 min). Leave by 6:36 PM for the 7:28 PM sunset. Back at your car by 8:17 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Transit-accessible: stop 673 m from the trailhead
  • Parking lot at the trailhead

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